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Digital technologies make Hangzhou smarter

By Jiang Nan | People's Daily | Updated: 2020-06-22

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A man in Lin'an district, Hangzhou, East China's Zhejiang province scans a health QR code on a poster to apply for his own color-based QR code indicating personal health conditions, Feb 15. [Photo by Hu Jianhuan /People's Daily Online]

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